CARBON-COATED LIFEPO4 STORAGE AND HANDLING

摘要

Inventors discovers that olivine material of general formulaLiFePO4 covered by a thin carbon layer coating obtained bypyrolysis present specific drawbacks relatively to storage andhandling as it appears that atmosphere and especially humid aircould induce irreversible deterioration of such materials interms of energy capacity and cyclability. Present inventionpropose solutions to ensure that product quality will be maintainbetween synthesis of product and its use in batteries.